Method and apparatus for wet contact detection in a portable...

Details Method and apparatus for wet contact detection in a portable... Method and apparatus for wet contact detection in a portable...

2007-01-09

2007-01-09

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C455S090100

Reexamination Certificate

active

10938216

ABSTRACT:
A method of detecting wetness in an accessory jack of a portable communication device (100), such as a two-way radio, is provided. By monitoring an accessory jack detect pin of the radio (104) for a change in resistance (106) that falls within predetermined parameters, a determination can be made (108) as to whether the accessory jack contacts are wet or dry. An alert is provided to a user (110) of the portable communication device that the accessory jack contacts need to be dried.

REFERENCES:
patent: 6980777 (2005-12-01), Shepherd et al.
patent: 7050837 (2006-05-01), Menz et al.
patent: 2005/0208969 (2005-09-01), Kwoen

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